diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bgmac-platform.c | 56 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bgmac.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bgmac.h | 1 |
3 files changed, 58 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c index 46429402dfc1..6f736c19872f 100644 --- a/drivers/net/ethernet/broadcom/bgmac-platform.c +++ b/drivers/net/ethernet/broadcom/bgmac-platform.c @@ -14,12 +14,21 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/bcma/bcma.h> +#include <linux/brcmphy.h> #include <linux/etherdevice.h> #include <linux/of_address.h> #include <linux/of_mdio.h> #include <linux/of_net.h> #include "bgmac.h" +#define NICPM_IOMUX_CTRL 0x00000008 + +#define NICPM_IOMUX_CTRL_INIT_VAL 0x3196e000 +#define NICPM_IOMUX_CTRL_SPD_SHIFT 10 +#define NICPM_IOMUX_CTRL_SPD_10M 0 +#define NICPM_IOMUX_CTRL_SPD_100M 1 +#define NICPM_IOMUX_CTRL_SPD_1000M 2 + static u32 platform_bgmac_read(struct bgmac *bgmac, u16 offset) { return readl(bgmac->plat.base + offset); @@ -87,12 +96,46 @@ static void platform_bgmac_cmn_maskset32(struct bgmac *bgmac, u16 offset, WARN_ON(1); } +static void bgmac_nicpm_speed_set(struct net_device *net_dev) +{ + struct bgmac *bgmac = netdev_priv(net_dev); + u32 val; + + if (!bgmac->plat.nicpm_base) + return; + + val = NICPM_IOMUX_CTRL_INIT_VAL; + switch (bgmac->net_dev->phydev->speed) { + default: + netdev_err(net_dev, "Unsupported speed. Defaulting to 1000Mb\n"); + case SPEED_1000: + val |= NICPM_IOMUX_CTRL_SPD_1000M << NICPM_IOMUX_CTRL_SPD_SHIFT; + break; + case SPEED_100: + val |= NICPM_IOMUX_CTRL_SPD_100M << NICPM_IOMUX_CTRL_SPD_SHIFT; + break; + case SPEED_10: + val |= NICPM_IOMUX_CTRL_SPD_10M << NICPM_IOMUX_CTRL_SPD_SHIFT; + break; + } + + writel(val, bgmac->plat.nicpm_base + NICPM_IOMUX_CTRL); + + bgmac_adjust_link(bgmac->net_dev); +} + static int platform_phy_connect(struct bgmac *bgmac) { struct phy_device *phy_dev; - phy_dev = of_phy_get_and_connect(bgmac->net_dev, bgmac->dev->of_node, - bgmac_adjust_link); + if (bgmac->plat.nicpm_base) + phy_dev = of_phy_get_and_connect(bgmac->net_dev, + bgmac->dev->of_node, + bgmac_nicpm_speed_set); + else + phy_dev = of_phy_get_and_connect(bgmac->net_dev, + bgmac->dev->of_node, + bgmac_adjust_link); if (!phy_dev) { dev_err(bgmac->dev, "PHY connection failed\n"); return -ENODEV; @@ -156,6 +199,14 @@ static int bgmac_probe(struct platform_device *pdev) if (IS_ERR(bgmac->plat.idm_base)) return PTR_ERR(bgmac->plat.idm_base); + regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nicpm_base"); + if (regs) { + bgmac->plat.nicpm_base = devm_ioremap_resource(&pdev->dev, + regs); + if (IS_ERR(bgmac->plat.nicpm_base)) + return PTR_ERR(bgmac->plat.nicpm_base); + } + bgmac->read = platform_bgmac_read; bgmac->write = platform_bgmac_write; bgmac->idm_read = platform_bgmac_idm_read; @@ -187,6 +238,7 @@ static int bgmac_remove(struct platform_device *pdev) static const struct of_device_id bgmac_of_enet_match[] = { {.compatible = "brcm,amac",}, {.compatible = "brcm,nsp-amac",}, + {.compatible = "brcm,ns2-amac",}, {}, }; diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 7f66ea763822..a29787fbb572 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1082,6 +1082,9 @@ static void bgmac_enable(struct bgmac *bgmac) /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipinit */ static void bgmac_chip_init(struct bgmac *bgmac) { + /* Clear any erroneously pending interrupts */ + bgmac_write(bgmac, BGMAC_INT_STATUS, ~0); + /* 1 interrupt per received frame */ bgmac_write(bgmac, BGMAC_INT_RECV_LAZY, 1 << BGMAC_IRL_FC_SHIFT); diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h index bfd9f40d71f7..71f493f2451f 100644 --- a/drivers/net/ethernet/broadcom/bgmac.h +++ b/drivers/net/ethernet/broadcom/bgmac.h @@ -463,6 +463,7 @@ struct bgmac { struct { void *base; void *idm_base; + void *nicpm_base; } plat; struct { struct bcma_device *core; |